- Email/Cal/Docs: Google

- Hosting: our own servers at colo + EC2

- Expense tracking/management: Xpenser ( http://xpenser.com/ )

- Invoicing: Billing Manager ( https://billingmanager.intuit.com/billing/free-online-invoic... )

- Version control: git

- File sharing: Dropbox

- Analytics: google

- Todo: http://wisetodo.com/ (invite only ATM)

- IDE: mostly Eclipse+Pydev+Aptana

- Screensharing: Adobe Connect